email

Tens of millions of pounds saved by NCF actions, according to spy chief

Emails between people who previously worked for other departments are flagged as spam

Users reporting suspect emails to admins can now bcc the government cyber security agency

Date validation issue caused flashbacks to Y2K

In thousands of cases, emails were not even read

Reply-chain attacks allow hackers to send malicious emails from genuine accounts

The email warned of a fake cyber campaign and pinned the blame on a specific security researcher

The breach may expose Afghans who worked with British forces

The breaches are said to be 'on an industrial scale'

The company is urging customers to move to a newer version of Outlook before November